# Relationship history for MSHA mine 5100299

Current hierarchy: **Casey R  Santana → Kahuku Trucking Inc → Santana's Project 1**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-13T11:19:05.459773+00:00

## Valid-time edges

- **operator_operates_mine:** KA'IULANI 4, LLC → Santana's Project 1; 2009-01-05 to 2010-08-11; source msha-controller-operator-history
- **controller_controls_mine:** Leonard  Tanaka et al → Santana's Project 1; 2009-01-05 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Leonard  Tanaka et al → KA'IULANI 4, LLC; 2009-01-05 to 2010-08-11; source msha-controller-operator-history
- **controller_controls_operator:** Suellen  Tanaka et al → KA'IULANI 4, LLC; 2009-01-05 to 2010-08-11; source msha-controller-operator-history
- **operator_operates_mine:** GW Construction → Santana's Project 1; 2010-08-12 to 2022-05-02; source msha-controller-operator-history
- **controller_controls_mine:** Gerald  Yamada → Santana's Project 1; 2010-08-12 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Gerald  Yamada → GW Construction; 2010-08-12 to 2022-05-02; source msha-controller-operator-history
- **operator_operates_mine:** Kahuku Trucking Inc → Santana's Project 1; 2022-05-03 to current/open; source msha-controller-operator-history
- **controller_controls_mine:** Casey R  Santana → Santana's Project 1; 2022-05-03 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Casey R  Santana → Kahuku Trucking Inc; 2022-05-03 to current/open; source msha-controller-operator-history